/Engine/Source/Runtime/Core/Public/Math/Range.h
Two ranges are adjoint if they are next to each other without overlapping, i.e. [A, B) and [B, C) or [A, B] and (B, C)
true if this range adjoins the other, false otherwise.
bool Adjoins ( const [TRange](API\Runtime\Core\Math\TRange) & Other ) const